WebThe .257 Weatherby was one of Roy Weatherby’s earliest creations and quickly became his favorite. ... The stoutest .257 load is the 100 grain Barnes TSX at 3570fps. ... Slightly … WebYou find 12 loads in caliber .257 Weath.Mag. with Sierra Bullets bullets either below or in our load database by clicking the 'Matching Loads' button above More about this caliber: The …
25 prc 25 saum 257 weatherby..... 131 bj or 120 pva
WebJan 5, 2024 · The Wby 257 graph below shows the powders I have (or want > RL25). Don't have any data to plot for my own loads with the Wby (have shot my loads, just haven't chronied them yet), but with my 9mm Browning Hi-Power, the results I got were closest to Sierra's for all the different manuals I have. WebDec 14, 2011 · Jeez, I can't believe I actually found the data. I wasn't going to look and then had a case of brain gas and did look. I was loading 62.0 grs IMR4350 under a Sierra Spitzer BT 117gr bullet using CCI200 primers. OAL was 3.250 which is max. Obviously this was a max load and if you decide to use IMR4350, start low and work up. phineas e isabella
Reloading Data Center Hodgdon
WebSep 14, 2024 · That night, I loaded 70 rounds of .257 Weatherby Magnum, all with the 100-grain Sierra jacketed softpoint bullet, and I’m headed to the range later this week to test for accuracy. I’ve got rounds loaded with IMR 4320, IMR 4064, IMR 7828SSC, and H-1000 propellant at both the low and higher ends (but not the max) of the charge spectrum. WebJan 4, 2011 · Recoil of a rifle in .257 Weatherby Magnum is about the same as that of a rifle of the same weight in .270 Winchester. More specifically, when a 100-grain bullet exits the barrel of a nine-pound rifle in .257 … WebWe offer Sierra reloading data with over 95.000 loads in our database, covering over 95 Sierra bullets in over 65 calibers with all suitable powders on the market. Choose your … phineas e ferb stagione 1 streaming ita